Cleveland Ohio
www.mrgasket.com
©2000 Printed in U.S.A. 97145319
Water Pump
Aluminum Pulley Nose #5319
INSTALLATION INSTRUCTIONS
1. Place water pump pulley on work bench, or in a suitable
work area.
2. Carefully place and align pulley nose onto aluminum
water pump pulley, making sure that new holes to be
drilled are exactly between mounting holes in water
pump pulley.
3. This operation is best done on a drill press. Using a #43
or .089 drill bit, drill a shallow spot to locate all four holes.
Remove pulley nose and finish drilling through all
four holes.
4. Carefully tap the 4 drilled holes, using a #4-40 tap. To
avoid tap breakage, we highly recommend an aluminum
tapping oil be used.
5. Place water pump pulley onto water pump shaft and
secure with four (4) 5/16-24 x 3/4" flat head socket
capscrews. Mr. Gasket (#5321).
6. Install aluminum nose pulley, with four (4) #4 socket head
screws provided, using Loctite sealant on the threads.
CAUTION: Do not over-tighten or you may strip
the threads.
7. Install water pump belt and adjust to proper G.M.
specified tension.
Cleveland Ohio
www.mrgasket.com
©2000 Printed in U.S.A. 97145319
Water Pump
Aluminum Pulley Nose #5319
INSTALLATION INSTRUCTIONS
1. Place water pump pulley on work bench, or in a suitable
work area.
2. Carefully place and align pulley nose onto aluminum
water pump pulley, making sure that new holes to be
drilled are exactly between mounting holes in water
pump pulley.
3. This operation is best done on a drill press. Using a #43
or .089 drill bit, drill a shallow spot to locate all four holes.
Remove pulley nose and finish drilling through all
four holes.
4. Carefully tap the 4 drilled holes, using a #4-40 tap. To
avoid tap breakage, we highly recommend an aluminum
tapping oil be used.
5. Place water pump pulley onto water pump shaft and
secure with four (4) 5/16-24 x 3/4" flat head socket
capscrews. Mr. Gasket (#5321).
6. Install aluminum nose pulley, with four (4) #4 socket head
screws provided, using Loctite sealant on the threads.
CAUTION: Do not over-tighten or you may strip
the threads.
7. Install water pump belt and adjust to proper G.M.
specified tension.
Cleveland Ohio
www.mrgasket.com
©2000 Printed in U.S.A. 97145319
Water Pump
Aluminum Pulley Nose #5319
INSTALLATION INSTRUCTIONS
1. Place water pump pulley on work bench, or in a suitable
work area.
2. Carefully place and align pulley nose onto aluminum
water pump pulley, making sure that new holes to be
drilled are exactly between mounting holes in water
pump pulley.
3. This operation is best done on a drill press. Using a #43
or .089 drill bit, drill a shallow spot to locate all four holes.
Remove pulley nose and finish drilling through all
four holes.
4. Carefully tap the 4 drilled holes, using a #4-40 tap. To
avoid tap breakage, we highly recommend an aluminum
tapping oil be used.
5. Place water pump pulley onto water pump shaft and
secure with four (4) 5/16-24 x 3/4" flat head socket
capscrews. Mr. Gasket (#5321).
6. Install aluminum nose pulley, with four (4) #4 socket head
screws provided, using Loctite sealant on the threads.
CAUTION: Do not over-tighten or you may strip
the threads.
7. Install water pump belt and adjust to proper G.M.
specified tension.
Cleveland Ohio
www.mrgasket.com
©2000 Printed in U.S.A. 97145319
Water Pump
Aluminum Pulley Nose #5319
INSTALLATION INSTRUCTIONS
1. Place water pump pulley on work bench, or in a suitable
work area.
2. Carefully place and align pulley nose onto aluminum
water pump pulley, making sure that new holes to be
drilled are exactly between mounting holes in water
pump pulley.
3. This operation is best done on a drill press. Using a #43
or .089 drill bit, drill a shallow spot to locate all four holes.
Remove pulley nose and finish drilling through all
four holes.
4. Carefully tap the 4 drilled holes, using a #4-40 tap. To
avoid tap breakage, we highly recommend an aluminum
tapping oil be used.
5. Place water pump pulley onto water pump shaft and
secure with four (4) 5/16-24 x 3/4" flat head socket
capscrews. Mr. Gasket (#5321).
6. Install aluminum nose pulley, with four (4) #4 socket head
screws provided, using Loctite sealant on the threads.
CAUTION: Do not over-tighten or you may strip
the threads.
7. Install water pump belt and adjust to proper G.M.
specified tension.
100892-Inst.MRG5319AlumPulley 9/10/02 10:10 AM Page 1
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